crefgroup.com - dns.ninja

`crefgroup.com`

DNSSEC	⚠️ Not signed
A	3.33.130.190^{🇺🇸 Amazon3.33.128.0/20}
		PTR	`a2aa9ff50de748dbe.awsglobalaccelerator.com`
A	15.197.148.33^{🇺🇸 Amazon15.197.144.0/20}
NS	`ns45.domaincontrol.com` ⭐
		A	2603:5:2162::17^{🇺🇸 GODADDY-DNS2603:5:2160::/44}
			PTR	`ns45.domaincontrol.com`
		A	97.74.102.23^{🇺🇸 GODADDY-DNS97.74.102.0/23}
			PTR	`ns45.domaincontrol.com`
NS	`ns46.domaincontrol.com`
		A	2603:5:2262::17^{🇺🇸 GODADDY-DNS2603:5:2260::/44}
			PTR	`ns46.domaincontrol.com`
		A	173.201.70.23^{🇺🇸 GODADDY-DNS173.201.70.0/23}
			PTR	`ns46.domaincontrol.com`
MX	`crefgroup-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c801::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr0501cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:c902::7^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr02cu00107.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::6^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch5pr02cu00406.inbound.protection.outlook.com`
		A	2a01:111:f403:f804::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr03cu00403.inbound.protection.outlook.com`
		A	40.93.192.4^{🇺🇸 Microsoft40.80.0.0/12}
			PTR	`mail-dm2pr04cu00404.inbound.protection.outlook.com`
		A	52.101.10.8^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn1pr04cu00100.inbound.protection.outlook.com`
		A	52.101.42.18^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr03cu00302.inbound.protection.outlook.com`
		A	52.101.50.1^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr05cu00401.inbound.protection.outlook.com`
TXT	`MS=ms11176127`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns45.domaincontrol.com`dns@jomax.net 2023-09-19 #0

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1783212561

Same first word

crefgroup.com

Similar names

rfecgroup.com

forcegrup.org

DNS History

7 records (5 active, 2 former)

●NSns45.domaincontrol.com2015-07-14 → 2026-07-05 · 2 obs

● 2015-07-14 17:18:10
● 2026-07-05 01:08:06

●NSns46.domaincontrol.com2015-07-14 → 2026-07-05 · 2 obs

● 2015-07-14 17:18:10
● 2026-07-05 01:08:06

●MXcrefgroup-com.mail.protection.outlook.com2016-11-26 → 2026-07-05 · 3 obs

○ 2016-03-17 13:30:10
● 2016-11-26 17:23:02
● 2026-07-05 01:08:06

○MXpresmtp.ex4.secureserver.net2015-07-14 → 2016-03-17 · 4 obs

● 2015-07-14 17:18:10
● 2016-03-17 13:30:10
○ 2016-11-26 17:23:02
○ 2026-07-05 01:08:06

●A15.197.148.332026-03-08 → 2026-07-05 · 3 obs

○ 2020-04-03 16:02:02
● 2026-03-08 12:06:36
● 2026-07-05 01:08:06

●A3.33.130.1902026-03-08 → 2026-07-05 · 3 obs

○ 2020-04-03 16:02:02
● 2026-03-08 12:06:36
● 2026-07-05 01:08:06

○A50.63.202.412015-07-14 → 2020-04-03 · 4 obs

● 2015-07-14 17:18:10
● 2020-04-03 16:02:02
○ 2026-03-08 12:06:36
○ 2026-07-05 01:08:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
crefgroup.com	ns45.domaincontrol.com, ns46.domaincontrol.com	4 records

✅ Authoritative Response

Server:173.201.70.23

NS records: ns45.domaincontrol.com, ns46.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crefgroup.com (unsigned zone)

⏱️ Timing

Total: 309ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`3.33.130.190, 15.197.148.33`
NS	2	`ns45.domaincontrol.com, ns46.domaincontrol.com`
MX	1	`crefgroup-com.mail.protection.outlook.co`
TXT	2	`MS=ms11176127, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns45.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns45.domaincontrol.com, ns45.domaincontrol.com, ns46.domaincontrol.com...)

Analysis

IP Addresses

crefgroup.com points to the IP addresses 3.33.130.190 and 15.197.148.33

keltonbros.com, northcarrollrec.com, eatzaki.com and two other host names share IP numbers with crefgroup.com.

Name Servers

DNS delegation for crefgroup.com points to two name servers: ns45.domaincontrol.com and ns46.domaincontrol.com.

crefgroup.com uses the same name servers as several other domains — among them neighborsins.com, swfleats.com, sidvintech.com and two more.

ns45.domaincontrol.com directs to 97.74.102.23 and 2603:5:2162::17. ns46.domaincontrol.com directs to 173.201.70.23 and 2603:5:2262::17. Each host name carries two IP addresses.

Mail Servers

Mail for crefgroup.com is handled by a single mail server, crefgroup-com.mail.protection.outlook.com.

crefgroup-com.mail.protection.outlook.com resolves to 8 IP addresses — 40.93.192.4, 52.101.10.8, 52.101.42.18 and 5 others.